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Diffstat (limited to '')
| -rw-r--r-- | kernel/bpf/trampoline.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 7ec7e23559ad..c122d8b3ddc9 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -248,8 +248,11 @@ static int register_fentry(struct bpf_trampoline *tr, void *new_addr) int ret; faddr = ftrace_location((unsigned long)ip); - if (faddr) + if (faddr) { + if (!tr->fops) + return -ENOTSUPP; tr->func.ftrace_managed = true; + } if (bpf_trampoline_module_get(tr)) return -ENOENT; |